— Air quality in our city is becoming worse and worse.—Yes. These days' PM2.5 readings are frightening. We must do something to ______air pollution.
#55017
A
reduce
B
remove
C
collect
D
gather
推荐题目
--What a beautiful bike! How long have you _______it? --My mother just______ it for me as my graduation gift yesterday. I like the colour, it’s so cool..
#53060
A
bought ,bought
B
had, bought
C
buy, send
D
had, sent
— Do you think the rain will stop tomorrow?—___________. It has rained for a whole week. It’s too wet everywhere.
#59025
A
I hope not
B
I’m sure it is
C
I’m afraid so
D
I hope so
Susan wanted to be independent of her parents. She tried ______alone, but she didn't like it and moved back home.
#55870
A
living
B
tolive
C
tobeliving
D
havinglived
- What do you think of your school, Linda? - It's a good place for us to ________ ourselves for the future.
#52621
A
promise
B
prove
C
prepare
D
present